Apps On Physics
From Script | Spoken-Tutorial
Apps on physics simulations are for teaching and learning basic physics.
Apps on Physics can be downloaded from https://www.walter-fendt.de/html5/phen/
Contributors, Content Editors, and Reviewers
The Spoken Tutorial Effort for Apps on Physics is being contributed by Ms. Himanshi Karwanje and Ms. Madhuri Ganapathi from IIT Bombay.
Learners - Secondary and higher secondary students, and teachers.
Contents
Basic Level
1. Simple Machines
- Define a Pulley
- Demonstrate the working of a pulley system
- Calculate the necessary force to pull the load
- Demonstrate the working of a lever
- Define a torque
- Demonstrate how to achieve a balance condition
2. Inclined Plane
- Define an inclined plane
- Uses of an inclined plane
- Explanation of Inclined Plane App interface
- Demonstrate the motion of the load on an inclined plane
- About force vectors
- Change in the angle of inclination from 0 degrees to 90 degrees
- About inclination angle
- Resolution of parallel and perpendicular vectors
- Calculate the resolution of gravity forces
- Observe the effect of friction on an inclined plane
3. Linear Motion
- Demonstrate the motion of a car with a constant acceleration
- State Newton's first law of motion
- Explain the following graphs
- Position v/s time
- Velocity v/s time
- Acceleration v/s time
- Calculate the position and velocity using equation of motion
- Demonstrate the setup of an air track glider
- State Newton's second law of motion
- Verify Newton's second law of motion
4. Forces
- About the App interface
- Demonstrate addition of vectors
- Explain triangle law of vectors
- Change the magnitude of vectors and show the formation of resultant vector
- Explain polygon law of vectors
- Define equilibrium of forces
- Show a simple experiment to achieve an equilibrium condition
- Show changes in the angles as force changes
5. Kepler’s laws
- Explanation of Kepler's Laws App interfaces
- Define Kepler’s first law
- Demonstrate Kepler's first law
- Define Aphelion and Perihelion distances
- Calculate Aphelion and Perihelion distances
- About Halley’s comet
- Define orbital period
- Define Kepler’s second law
- Demonstrate Kepler's second law
- Show the direction of velocity vector
- Compare the velocities of different planets
6. Circular motion
- Explain the App interface
- Demonstrate uniform circular motion
- Define uniform circular motion
- Show how position, velocity, acceleration and force vary with time
- Define angular velocity and angular acceleration
- Solve numericals based on angular velocity and angular acceleration
- Demonstrate the motion of a Carousel
- Change different parameters shown in the Carousel App
- Define centripetal force
- Solve a numerical based on centripetal force
7. Sound waves
- About the App interface
- Simulate the formation of a standing wave
- Define and explain a node and an antinode
- Simulate harmonics of a standing wave
- Show different vibrational modes of standing waves
- About constructive interference of sound waves
- About destructive interference of sound waves
- Define wavelength and frequency
- Calculate the wavelength of a standing wave
- Calculate the frequency of a standing wave
8. Reflection and Refraction
- About App interfaces
- Simulate reflection and refraction of light ray
- Define the Snell’s law
- Change the medium and angle of incidence to verify Snell's law
- Verify the formation of total internal reflection
- Verify the formation of critical angle
- Calculate the critical angle and tabulate the results
- About reflection and refraction of waves by Huygens’ principle
- Show the formation of secondary wavefront
- Change in the speed and wavelength with respect to the medium
Intermediate Level
1. Convex Lenses
- About App interface
- Image formation using a convex lens
- Change the focal length in the App
- Change the object distance and object height in the App
- Determine the characteristics of the image formed
- Determine the position of the image formed
- About the ray diagram
- Calculate the magnification of refracting astronomical telescope
- Calculate the length of telescope tube
2. Interference and Diffraction
- About App interface
- Change the wavelength and width of slit
- Interpret the interference pattern
- About constructive and destructive interference
- Verify the relation between wavelength and relative intensity
- Tabulate the values of relative intensity, maxima and minima
- Calculate angle for a given maxima using the condition for maxima
- Interpret diffraction intensity profile
- Verify the relation between wavelength and angle in diffraction
3. Magnetism and Electromagnetism
- Draw magnetic field lines for a bar magnet
- Verify Right hand thumb rule
- Verify Fleming’s Left hand rule
- Verify Fleming’s Right hand rule
- Specify the direction of the induced current
- Define a generator
- Simulate the working of a generator
- About commutator
- Show changes in the voltage v/s time graph in the DC generator
- Show the voltage v/s time graph in the AC generator
4. Ohm's Law and its Applications
- About App interfaces
- Change the voltage and observe the change in the current
- Verify Ohm’s law
- Draw a graph to find the relation between voltage and current
- Solve a numerical based on Ohm’s law
- Convert ampere to milli-ampere
- Make a tabular column to show the values of voltage and current
- Solve a numerical based on series and parallel combination
- Show how to connect ammeter and voltmeter in the circuit
- Calculate the value of current in the circuit
5. Wheatstone's Bridge and Potentiometer
- About App interfaces
- Define a galvanometer
- Illustrate circuit connections of wheatstone’s bridge
- Change the resistance of the comparable resistor
- Calculate the value of unknown resistance in a wheatstone’s bridge
- Illustrate circuit connections of potentiometer
- Tabulate the values of resistance, voltage and length
- Study the graph of voltage v/s length
- Calculate the value of voltage using Ohm’s law
- Solve a numerical based on potentiometer
